Luz Esperanza Villanueva

Tracking POTS symptoms across menstrual cycle phases reveals hormone-linked patterns.

Different blood markers identify which of three distinct mechanisms is driving a patient's POTS.

A 14-fold surge in diagnoses reveals how COVID-19 transformed a hidden condition.

Brain fog, fatigue, and gut trouble often signal POTS, not separate conditions.

A simple home screening tool helps patients document POTS while waiting for specialist care.